Richard Wagner, »Beethoven«, in: Richard Wagner - Die Hauptschriften, (ed.) Ernst Bücken (Stuttgart: Kröner, 1956)

@incollection{Wagner.1956,
 author = {Wagner, Richard},
 title = {Beethoven},
 pages = {259-300},
 publisher = {Kr\"{o}ner},
 editor = {B\"{u}cken, Ernst},
 booktitle = {Richard Wagner - Die Hauptschriften},
 year = {1956},
 address = {Stuttgart}
}